If you have seen your sister-in-law pregnant in your dream: It may be useful to act more calmly and maturely in certain matters or in some of your relationships, If you are a single man, you may embark on an adventure or meet a woman you can truly love. To see a pregnant sister-in-law in a dream is interpreted as a good news that one will receive from one's close relatives and the joy to be experienced, to experience happy moments, to be together with one's loved ones. It is also said that the person who sees his sister-in-law pregnant will also do troublesome things, act without thinking about the end, and have regrets.